diff --git a/.github/workflows/clippy-fmt.yml b/.github/workflows/clippy-fmt.yml
index a7da9b1c5..109165ce0 100644
--- a/.github/workflows/clippy-fmt.yml
+++ b/.github/workflows/clippy-fmt.yml
@@ -63,7 +63,8 @@ jobs:
       - uses: actions/checkout@v3
 
       - uses: actions-rust-lang/setup-rust-toolchain@v1
-        with: { toolchain: nightly }
+        # temp: unpin once https://github.com/rust-lang/rust/issues/113152 is fixed
+        with: { toolchain: nightly-2023-06-28 }
 
       - uses: taiki-e/cache-cargo-install-action@v1
         with: { tool: cargo-public-api }